package fu04;

abstract class MilkTea {

    public void prepare() {
        System.out.println("1.准备牛奶和奶茶");
    }
    public abstract void prepare1();
    public void prepare2() {
        System.out.println("2.开始制作奶茶");
    }
    public void pre() {
        prepare();
        prepare1();
        prepare2();
    }
    }

